Aquatic Edge Replacement Cartridge for 1-3 Gal Sgl

Single Pack Replacement Bio-Clear Disposable Filter for item # 701009-001 Hang-on Side Filter for 1-3 Gallon Tanks. Available in Single Pack or 3-Pack. The Complete Filter Cartridge: Duo Density Pad Traps Most Debris Carbon Impregnated Filter Pad for Contaminate Removal Carbon & Polyester Layers are Excellent Homes for Beneficial Bacteria. Instructions for use: Change filter cartridge when it becomes clogged and water backflows at the intake side. Remove old cartridge and place in this bag for easy disposal. Insert new filter cartridge into the filter box with the white surface facing the filter intake side and black surface facing the filter overflow lip. It may be necessary to change filter cartridges frequently to do the initial aquarium cleaning. This new filter cartridge should last approximately four weeks, after the initial aquarium cleaning is completed. This Duo Density pad will trap most particles before they can clog the carbon pores. The carbon & polyester layers are excellent homes for beneficial bacteria populations. This active biological filtration removes organically produced toxins. Satisfaction guaranteed. If for any reason you are dissatisfied with this product, we will cheerfully refund you your money.